1. Department of Anesthesiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
2. Department of Critical Care, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
3. Departments of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
4. Department of Anesthesiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands; Department of Basic and Applied Medical Sciences, Ghent University, Ghent, Belgium.